Home / 871,004-1,306,588.44-338,566.16

Finding the Fourth Proportional to 871,004, 1,306,588.44 and 338,566.16

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Solution

The fourth proportional to 871,004, 1,306,588.44 and 338,566.16 is: 507,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,004 : 1,306,588.44 = 338,566.16 : x
  2. Step 2: Convert to fraction form
    871,004/1,306,588.44 = 338,566.16/x
  3. Step 3: Cross multiply
    871,004x = 1,306,588.44 × 338,566.16
  4. Step 4: Simplify right side
    871,004x = 442,366,630,831.19
  5. Step 5: Solve for x
    x = 442,366,630,831.19/871,004
  6. Step 6: Final answer
    x = 507,881.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.